A flameout add will dissolve oils that dry hopping will not and retain oils that boiling, even for a few minutes, will drive off. But if you had other aroma adds, I wouldn't worry about it.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk